Finding the Fourth Proportional to 6,877.76, 10,314.81 and 2,981.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,877.76 : 10,314.81 = 2,981.25 : x
2. Step 2: Convert to fraction form
   6,877.76/10,314.81 = 2,981.25/x
3. Step 3: Cross multiply
   6,877.76x = 10,314.81 × 2,981.25
4. Step 4: Simplify right side
   6,877.76x = 30,751,027.31
5. Step 5: Solve for x
   x = 30,751,027.31/6,877.76
6. Step 6: Final answer
   x = 4,471.09